The U.S. Supreme Court on Thursday declined to block enforcement of an anti-money laundering law that forces millions of business entities to disclose the identities of their real beneficial owners to the Treasury Department,

Enforcement of the Corporate Transparency Act, which requires millions of companies to disclose their true ownership, remains on hold despite a U.S. Supreme Court ruling in favor of the Treasury Department.

The Supreme Court on Thursday afternoon granted the federal government’s request to be allowed to enforce a federal anti-money-laundering law while the government’s appeal moves forward in the conservative U.